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maxonik [38]
2 years ago
10

45% of what number is 9? Your answer

Mathematics
2 answers:
Fantom [35]2 years ago
6 0

Answer:

20

Step-by-step explanation:

9 x 100 / 45 = 20

larisa [96]2 years ago
4 0
The answer is 5
45/9=5
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Mary knits scarves and sweaters to sell. Scarves take 2 hours to knit and sweaters take 10 hours. Mary would like to spend no mo
sveticcg [70]

Answer:

The system of inequalities is

2x+10y\leq 40

x+y\geq 5

The solution in the attached figure

Step-by-step explanation:

<u><em>The question is</em></u>

Write a system of linear inequalities.

Le

x ---> number of scarves knitted per week

y ---> number of knitted sweaters per week

we know that

Mary would like to spend no more than 40 hours per week knitting

The word "No more" means "less than or equal to"

so

2x+10y\leq 40 ----> inequality A

Mary would like to knit at least 5 items per week

The word "at least" means "greater than or equal to"

x+y\geq 5 ----> inequality B

Solve the system by graphing

The solution is the triangular shaded area

see the attached figure

7 0
3 years ago
I need help with this question about similar triangles
Colt1911 [192]

Answer:

ST = 12 units

Step-by-step explanation:

Δ RAS and Δ TES are similar triangles, thus the ratios of corresponding sides are equal, that is, noting that SR = 21 - ST, thus

\frac{ST}{SR} = \frac{TE}{AR} substitute values

\frac{ST}{21-ST} = \frac{8}{6} ( cross- multiply )

6ST = 8(21 - ST)

6ST = 168 - 8ST ( add 8ST to both sides )

14ST = 168 ( divide both sides by 14 )

ST = 12

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Jake asked 25 students in his class how close they live to school .the frecuencia table shows the results
Oliga [24]
That's great so what the question
7 0
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What is the fill in the blank answers?
Olenka [21]
Think first is Distributive Property
Combine any LIKE TERMS
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I think these are the answers hope it helps!
4 0
2 years ago
Which expression represents the surface area of the
padilas [110]

Answer:

the answer is a I think your welcome

5 0
2 years ago
Read 2 more answers
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